It is the third straight year that the government has seized websites on "Cyber Monday" — the marketing term for the Monday after Thanksgiving, when many online retailers offer steep discounts and promotions.

ICE's Homeland Security Investigations unit coordinated with officials from Belgium, Denmark, France, Romania, the United Kingdom and the European Police Office to take down the sites.

"This operation is a great example of the tremendous cooperation between ICE and our international partners at the [Intellectual Property Rights Coordination Center